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revision 1038 by persson, Sat Feb 3 15:33:00 2007 UTC revision 1896 by persson, Mon May 4 18:34:44 2009 UTC
# Line 1  Line 1 
1  Version CVS HEAD (?)  Version CVS HEAD (?)
2    
3      * packaging changes:
4        - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
5          causing e.g. the libgig test to fail when
6          "./configure --disable-jack-driver" was used
7          (patch by Alexis Ballier)
8        - fixed compilation with gcc 4.3
9        - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
10        - fixed configure so it detects x86_64 (#107)
11        - fixes for building with newer MinGW versions
12        - fix for building with bison 2.4 (#111)
13        - fixed building with libgig installed in a non-standard directory
14        - minor fix in configure for mmsystem.h detection on MinGW
15    
16      * general changes:
17        - bugfix: on some POSIX systems instrument editor plugins refused to
18          load as we used a non-portable Linux specific struct field
19          (fixes bug #70, patch by Ronald Baljeu)
20        - fixed endless loop which occured when loading an instrument editor
21          plugin DLL on Windows systems failed
22        - fixed memory leaks that occurred when liblinuxsampler was unloaded
23        - optimized the SynchronizedConfig class so it doesn't wait
24          unnecessarily long after an update
25        - added support for notifying instrument editors on note-on / note-off
26          events (e.g. to highlight the pressed keys on the virtual keyboard
27          of gigedit)
28        - added support for triggering notes by instrument editors (see above)
29        - be verbose on DLL load errors (on Linux)
30        - fixed di-harmonic triangle LFO implementation (this LFO implementation
31          is only used by very few systems, most pick the int math
32          implementation, which is usually faster)
33        - fixes for audio drivers with varying buffer sizes
34        - experimental support for running LinuxSampler as a DSSI, LV2 and
35          VST plugin
36        - notification events for stream/voice count statistics are now sent
37          only when there are actual changes
38        - added memory ordering constraints to improve stability on
39          multi-core and multi-cpu systems
40        - maximum voices and disk streams can now be altered at runtime
41        - fixed CPU feature detection on x86_64 (maybe fixes #108)
42        - automatic stacktrace mechanism is now turned off by default and can
43          be switched on by command line option "--stacktrace" (the automatic
44          stacktrace mechanism seems to be broken on most systems at the moment)
45        - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
46          a pointer to the launched InstrumentEditor object
47        - added optional 3rd party user data parameter for following
48          liblinuxsampler C++ API methods: InstrumentEditor::Main(),
49          InstrumentEditor::Launch(),
50          InstrumentManager::LaunchInstrumentEditor()
51        - theoretical fix: made SynchronizedConfig follow C++0x memory
52          model more strictly
53        - fixes for using large audio device buffers
54    
55      * audio driver:
56        - removed the nonsense audio channel constraint (which was hard coded to
57          max. 100 audio channels) for most audio drivers
58        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
59          opposed to the LSCP specs
60        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
61          reflected the wrong value
62        - fixed a memory management bug in ASIO driver
63        - Makefile fix: JACK_CFLAGS wasn't used
64        - JACK: use jack_client_open instead of the deprecated
65          jack_client_new
66        - added (experimental) CoreAudio driver
67        - applied old fixes to the ASIO driver that were included in the
68          previous binary release but accidentally never committed to CVS
69          (fixes #117)
70        - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
71          win64)
72        - VST: added support for sample rate and buffer size changes
73        - VST: close editor (Fantasia) when the VST is removed
74    
75      * MIDI driver:
76        - added JACK MIDI driver
77        - dispatch bank select as ordinary CC as well, the user might seriously
78          want to (mis)use it for some purpose ("fixed" in all current MIDI
79          input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
80        - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
81          CoreMidi or AU
82        - fixed mingw-w64 compilation error in MME driver
83    
84      * instruments database:
85        - avoid time consuming samples scanning when adding instruments
86          to the instruments database
87        - added support for handling lost files in the instruments database
88        - Implemented option for adding instruments in separate directories
89          in the instruments database
90          (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
91    
92      * Gigasampler format engine:
93        - fixed a memory leak that could happen when a channel was deleted
94          while notes were playing
95        - made it possible to load an instrument even if the audio thread
96          isn't running
97        - added partial support for the "Controller Triggered" MIDI rule,
98          enough for piano gigs with pedal noise samples
99        - minor fix: only mark FX sends as being modified if really the
100          respective FX send MIDI controller was used
101        - added support for GM global device volume SysEx message
102          (can be selected at compile time to either apply globally to the
103          whole sampler [default] or only to the sampler channels that are
104          connected to the respective MIDI input port the SysEx message arrived
105          on)
106        - bugfix: notes triggered at position 0 in the audio buffer were
107          sometimes wrongly killed in the same buffer, causing no sound to
108          be played
109        - added support for chromatic / drumkit mode Roland GS Sysex message
110          which is usally used to switch a part between chromatic sounds and
111          drumkit sounds (as opposed to their common default setting of MIDI
112          part 10 being a drumkit part and all other ones chromatic parts), in
113          LS however one can switch between the first 16 MIDI instrument maps
114          defined for the sampler
115        - made it possible to create multiple sample channels even if the
116          audio thread isn't running
117        - fixed crash when removing channel with active voices (#116)
118        - bugfix: on sample reference changes (instrument editor), only
119          un-cache the respective sample if it's really not used by any
120          sampler engine anymore
121        - re-cache samples in case they were changed by an instrument editor,
122          e.g. when a sample was added while playing (#82)
123        - fixed hanging notes which occured when note-off event had the exact
124          same time stamp as the voice's note-on event and occured both in the
125          same audio fragment cycle (fixes bug #112)
126        - added support for the "fine tune" and "pitch bend range"
127          instrument-level gig parameters
128        - fixed minor artifacts in pitch bend handling
129        - added support for GS Reset SysEx message
130        - allow gig files to use unlimited downward pitch shifting
131        - added a limit check for upward pitch shifting
132    
133      * LSCP server:
134        - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
135          react on MIDI data arriving on certain sampler channels (so far only
136          Note-On and Note-Off events are sent via this LSCP event)
137        - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
138          react on MIDI data arriving on certain MIDI input devices (so far only
139          Note-On and Note-Off events are sent via this LSCP event)
140        - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
141          SET DB_INSTRUMENT FILE_PATH
142        - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
143          frontends to send MIDI messages to specific sampler channel
144        - added two additional fields to GET FILE INSTRUMENT INFO command -
145          KEY_BINDINGS and KEYSWITCH_BINDINGS
146        - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
147          was incorrect
148        - Optimized the retrieval of the MIDI instrument mappings
149        - added new LSCP command "SET VOICES" to globally alter the maximum
150          amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
151          be triggered respectively
152        - added new LSCP command "SET STREAMS" to globally alter the maximum
153          amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
154          which will be triggered respectively
155        - bugfix: retry if "select" returns EINTR (this fixes a crash when
156          a gigedit file dialog is opened)
157        - close all connections when LSCPServer is deleted
158        - hard close of all sockets on exit
159    
160      * Bug fixes:
161        - fixed a crash which occurs when removing a sampler channel waiting
162          to start instrument loading after another channel
163        - fixed a crash which occurs when removing a sampler channel with
164          instrument loading in progress (bug #113)
165        - fixed termination caused by uncaught exception when adding MIDI
166          instrument with PERSISTENT load mode
167        - fixed possible iterator invalidations when resetting the sampler
168        - fixed memory leaks when issuing the following LSCP commands:
169          GET AUDIO_OUTPUT_DRIVER INFO
170          GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
171          GET MIDI_INPUT_DRIVER INFO
172          GET MIDI_INPUT_DRIVER_PARAMETER INFO
173        - fixed possible compilation error when sqlite is not present
174        - fixed orphaned pointers when setting maximum voices limit (bug #118)
175        - fixed crash when changing the audio output device of a sampler
176          channel with loaded instrument and start playing notes
177        - fixed endless loop in Engine::SuspendAll() (bug #120)
178        - fixed a low-level atomic load function that was broken on 64-bit
179          PowerPC, which probably could cause crashes on that platform
180        - fixed a memory management error which could cause a crash when a
181          plugin was unloaded
182        - bugfix: two private structs had the same name, which could cause
183          problems if the linker chose the wrong constructor
184    
185    
186    Version 0.5.1 (6 December 2007)
187    
188      * packaging changes:
189        - added autoconf checks for pthread library
190        - added autoconf check for pthread bug found on certain NPTL-enabled
191          glibc versions (see Gentoo bug report #194076)
192        - added autoconf checks for MS Windows
193    
194      * general changes:
195        - bugfix: the thread used by an editor plugin didn't die when the
196          editor closed
197        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
198          out all the space. operator--() did not apply size_mask after
199          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
200          order to avoid problems with the _NonVolatileReader functions.
201        - bugfix: Stream.h: added a missing divide by BytesPerSample in
202          GetWriteSpace(). Since this function is currently only used in
203          the stream's qsort() compare function, it didn't trigger any
204          bugs.
205        - Resampler.h, Synthesizer.h: cubic interpolation now works in
206          24bit mode too. Faster method to read 24bit words on little
207          endian machines (x86): replaced 3 byte reads + shifts with a 1
208          unaligned 32bit read and shift
209        - experimental support for MS Windows (MIDI input via MME, AUDIO
210          output via ASIO)
211        - made handling of SIGINT signal (Ctrl-C) a bit more robust
212        - support for monitoring the total number of active disk streams
213          (new LSCP commands: GET TOTAL_STREAM_COUNT,
214          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
215    
216      * AUDIO driver:
217        - added Windows ASIO low latency audio driver
218    
219      * MIDI driver:
220        - added MME Windows MIDI driver
221    
222      * LSCP server:
223        - added support for Windows style path / filenames, however with
224          forward slash path separators instead of backslash
225          (i.e. "C:/foo/bar.gig")
226        - allow naughty liblscp to send non-string device parameters within
227          apostrophes as well
228        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
229          "LIST FILE INSTRUMENTS <file>" and
230          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
231          about an arbitrary instrument file on the system where the sampler is
232          running on
233    
234    Version 0.5.0 (15 October 2007)
235    
236      * packaging changes:
237        - config.h is not going to be installed along with liblinuxsampler's
238          API header files anymore
239        - only the API relevant header (and source) files will be exported to
240          the Doxygen API documentation (explicitly listed in Doxyfile.in)
241        - added completely new XCode project files for Mac OSX which is now
242          capable to execute our autoconf environment, thus no need anymore
243          to maintain the compile time configuration file (osx/version.h) for
244          OSX manually (patch by Toshi Nagata)
245        - fixed buggy boolean --enable-foo / --disable-foo configure script
246          parameters
247        - global.h now only covers global definitions that are needed for the
248          C++ API header files, all implementation internal global definitions
249          are now in global_private.h
250        - atomic.h is not exposed to the C++ API anymore
251        - no need to include config.h anymore for using LS's API header files
252        - fixed warnings in API doc generation
253    
254    * general changes:    * general changes:
255      - replaced the old, confusing MIDI program change mechanism by a      - replaced the old, confusing MIDI program change mechanism by a
256        flexible MIDI instrument mapper which allows to map arbitrary        flexible MIDI instrument mapper which allows to map arbitrary
# Line 17  Version CVS HEAD (?) Line 268  Version CVS HEAD (?)
268        MIDI instrument maps and assign each sampler channel individually        MIDI instrument maps and assign each sampler channel individually
269        a certain map, so that i.e. separation of normal instruments and        a certain map, so that i.e. separation of normal instruments and
270        drumkits is possible        drumkits is possible
271      - new notification events for tracking audio/MIDI device changes,      - new notification events for tracking changes to audio/MIDI devices,
272        MIDI instrument map changes and MIDI instrument changes        MIDI instrument maps, MIDI instruments, FX sends, global volume.
273      - sampler was limited to load max. 200 instruments in the background      - sampler was limited to load max. 200 instruments in the background
274        due to a constant size RingBuffer FIFO which is now replaced by a        due to a constant size RingBuffer FIFO which is now replaced by a
275        dynamic (unlimited) size std::list FIFO        dynamic (unlimited) size std::list FIFO
# Line 27  Version CVS HEAD (?) Line 278  Version CVS HEAD (?)
278        (i.e. jack-rack), the send levels are controllable via arbitrary MIDI        (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
279        controllers        controllers
280      - global (sampler wide) volume can now be controlled at runtime      - global (sampler wide) volume can now be controlled at runtime
281        - Implemented new, improved notification system
282        - fixed compilation errors regarding OSX
283          (patch by Toshi Nagata)
284        - implemented instruments database
285        - added support for escape sequences to the instruments database
286        - added highly experimental support for on-the-fly instrument editing
287          within the sampler's process (by using instrument editor plugins),
288          you'll notice the new "Registered instrument editors:" message on
289          startup, added a new LSCP command:
290          "EDIT CHANNEL INSTRUMENT <sampler-channel>"
291          to spawn a matching instrument editor for the instrument on the
292          given sampler channel, the plugin path can be overridden at compile
293          time with ./configure --enable-plugin-dir=/some/dir
294        - added experimental code for synchronizing instrument editors hosted
295          in the sampler's process to safely edit instruments while playing
296          without a crash (hopefully) by either suspending single regions
297          wherever possible or if unavoidable whole engine(s)
298        - fixed several issues in fundamental "Thread" class: set scheduling
299          policy and priority on thread level, set a minimum stack size for
300          thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
301          threads simply inherited properties of starting thread instead of
302          setting their own policy and priority
303        - minor fix in our automatic stack trace mechanism on crashes, the
304          main process did not wait for the stack trace process to finish
305          its output
306        - fixed some minor memory leaks
307        - reenabled assembly features support, at the moment only for
308          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
309        - minor assembly fix in x86 features detection (don't use the PIC
310          register, to avoid relocations in the text segment at runtime)
311        - POSIX callback functions of Thread.h are hidden
312    
313    * MIDI driver:    * MIDI driver:
314      - dispatch bank select (MSB and LSB) messages      - dispatch bank select (MSB and LSB) messages
315    
316      * audio driver:
317        - the ALSA audio output driver parameters now reflect the correct
318          parameter value ranges for the respective selected sound card
319          (patch by Till Wimmer, a bit fixed and extended)
320    
321    * Gigasampler format engine:    * Gigasampler format engine:
322      - if a filter is used and EG2 finishes before EG1, let the voice      - if a filter is used and EG2 finishes before EG1, let the voice
323        die when EG2 has finished (this fixes a problem with clicks and        die when EG2 has finished (this fixes a problem with clicks and
# Line 39  Version CVS HEAD (?) Line 326  Version CVS HEAD (?)
326      - all notes playing on a channel that changes its instrument keep      - all notes playing on a channel that changes its instrument keep
327        playing with the old instrument until they get a note off        playing with the old instrument until they get a note off
328        command        command
329        - EG fix: a release value of zero could cause noises or crash
330        - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
331        - EG fine tuning: when attack is zero the EG starts at a level
332          above max sustain level, which means that there is a decay phase
333          even if sustain is 100%
334        - more EG fixes: the level could sometimes go below zero and cause
335          noises or crashes
336        - minor fix of EGDecay (patch by Toshi Nagata)
337        - fixed compiler error when --enable-override-filter-type was
338          supplied to the configure script (fixes #46)
339        - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
340          instead of a fix value
341        - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
342          127 (solo mode) only kill voices if the respective mode really
343          changed
344    
345      * LSCP server:
346        - fixed compile time error for old Bison versions
347          (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
348        - parser now supports extended ASCII character set
349          (up to ASCII code 255, i.e. includes now umlauts and accents)
350        - filename arguments in LSCP commands now allow to use escape
351          sequences, that is directly literal as one of: \', \", \\, \n, \r,
352          \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
353          code value like \xf2) (fixes bug #24)
354        - the following LSCP commands now also support escape sequences for at
355          least one of their text-based parameters (i.e. name, description):
356          "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
357          "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
358          "SET DB_INSTRUMENT_DIRECTORY NAME",
359          "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
360          "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
361          "FIND DB_INSTRUMENT_DIRECTORIES"
362        - returns verbose syntax errors (line and column where syntax error
363          occured, the unexpected character and the actually expected, possible
364          character(s), the latter only if less than 5 possibilities)
365        - made sure that LSCP syntax is not affected by gigedit locale
366          settings
367        - bugfix regarding strings parameter lists: all comma separated lists
368          of strings were treated as being one string containing commas
369          (fixes #57)
370    
371    * Bug fixes:    * Bug fixes:
372      - fixed crash occurring on certain LSCP scripts (Bug 39)      - fixed crash occurring on certain LSCP scripts (Bug 39)
373      - another thread safety fix for lscp "load engine" and "set      - another thread safety fix for lscp "load engine" and "set
374        channel audio output device"        channel audio output device"
375        - fixed a crash which occurs when reassigning the same engine
376          on a sampler channel with connected MIDI device
377        - fixed a crash which occurs when changing the number of ports of a MIDI
378          device connected to a sampler channel to number less then or equal
379          to the index of the port to which the sampler channel is connected.
380        - The previous bindings were not been disconnected when altering
381          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
382          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
383        - The active stream/voice count statistic was incorrect.
384        - notification events were not been sent for some sampler
385          channel changes
386        - added default min and max values to restrict the number of allowed
387          audio output channels and MIDI input ports
388        - the connection to the PCM interface is now closed when destroying
389          an audio output device
390        - files with slash in their path or filename could not be loaded
391    
392      * test cases:
393        - updated and fixed (haven't been touched in a while)
394    
395  Version 0.4.0 (24 November 2006)  Version 0.4.0 (24 November 2006)
396    

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